Changmao Biochemical Engineering Company Limited announced appointment of Ms. Cheng Mun Wah as an independent non-executive director, chairman of the audit committee and member of the remuneration committee and the nomination committee of the Company which was effective from 1 July 2022. The State Administration for Market Regulation has requested the Company to pass a resolution in a general meeting to approve, ratify and confirm the appointment of Ms. Cheng in order to register such change. The terms of the appointment of Ms. Cheng will be extended to 17 June 2025, which will be the same as that of other Directors of the 8th session of the board (the "Board") of directors (the "Directors").

Accordingly, an ordinary resolution in relation to the appointment of Ms. Cheng will be proposed at the extraordinary general meeting to be held by the Company on 20 September 2022. The biography of Ms. Cheng is set out below: Ms. Cheng Mun Wah, aged 60, has over 25 years of experience in the field of corporate finance and accounting in Hong Kong. Ms. Cheng holds a bachelor's degree of commerce from the University of Alberta in Canada.

Ms. Cheng is currently a managing director of a corporation licensed to carry out type 1 (dealing in securities) and type 6 (advising on corporate finance) regulated activities as defined under the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong) (the "SFO"). Ms. Cheng is a certified public accountant of The Hong Kong Institute of Certified Public Accountants and a fellow member of The Chartered Association of Certified Accountants.